[asterisk-bugs] [JIRA] (ASTERISK-28947) Segmentation fault in mixmonitor_ds_destroy

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=251104#comment-251104 ] 

Asterisk Team commented on ASTERISK-28947:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

Please note that once your issue enters an open state it has been accepted. As Asterisk is an open source project there is no guarantee or timeframe on when your issue will be looked into. If you need expedient resolution you will need to find and pay a suitable developer. Asking for an update on your issue will not yield any progress on it and will not result in a response. All updates are posted to the issue when they occur.

> Segmentation fault in mixmonitor_ds_destroy
> -------------------------------------------
>
>                 Key: ASTERISK-28947
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28947
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_mixmonitor
>    Affects Versions: 16.10.0
>         Environment: ubuntu 18.04, asterisk 16.10, pjsip
>            Reporter: Robert Sutton
>
> This has occurred twice in about 10 days.
> {noformat}
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> bCore was generated by `/usr/sbin/asterisk -f -g -U asterisk -g -G shared -vvv'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  __GI_abort () at abort.c:107
> 107     abort.c: No such file or directory.
> [Current thread is 1 (Thread 0x7f88d8855700 (LWP 14549))]
> (gdb) bt
> #0  __GI_abort () at abort.c:107
> #1  0x00007f89f6454897 in __libc_message (action=action at entry=do_abort, fmt=fmt at entry=0x7f89f6581b9a "%s\n") at ../sysdeps/posix/libc_fatal.c:181
> #2  0x00007f89f645b90a in malloc_printerr (str=str at entry=0x7f89f65837a8 "munmap_chunk(): invalid pointer") at malloc.c:5350
> #3  0x00007f89f6462ecc in munmap_chunk (p=0x7f88ec01a700) at malloc.c:2846
> #4  __GI___libc_free (mem=0x7f88ec01a710) at malloc.c:3117
> #5  0x0000561aa218d2dd in __ast_free (ptr=0x7f88ec01a710, file=0x7f89ab9f6185 "app_mixmonitor.c", lineno=454, func=0x7f89ab9f7230 <__PRETTY_FUNCTION__.15608> "mixmonitor_ds_destroy") at astmm.c:1588
> #6  0x00007f89ab9eeea5 in mixmonitor_ds_destroy (data=0x7f88ec062190) at app_mixmonitor.c:454
> #7  0x0000561aa220f8d4 in ast_datastore_free (datastore=0x7f88ec00b250) at datastore.c:74
> #8  0x0000561aa21d1d54 in ast_channel_destructor (obj=0x7f89c0ac4530) at channel.c:2243
> #9  0x0000561aa218eaea in __ao2_ref (user_data=0x7f89c0ac4530, delta=-1, tag=0x7f89ab9f64c5 "", file=0x7f89ab9f6185 "app_mixmonitor.c", line=1309, func=0x7f89ab9f73f0 <__PRETTY_FUNCTION__.16078> "handle_cli_mixmonitor") at astobj2.c:614
> #10 0x00007f89ab9f4955 in handle_cli_mixmonitor (e=0x7f89abbf8440 <cli_mixmonitor>, cmd=-4, a=0x7f88d8853e20) at app_mixmonitor.c:1309
> #11 0x0000561aa21ffb3e in ast_cli_command_full (uid=-1, gid=-1, fd=285,
>     s=0x7f88ec027479 "mixmonitor start PJSIP/trunk-0000372B \"/var/spool/asterisk/monitor/1591853283.17660-xxxxxxx-xxxxxxxxx-I-2.wav\",'',\"curl 'http://127.0.0.1:8080/rest/recordingMigration/migrate?guid=1591853314407-9"...) at cli.c:2833
> #12 0x0000561aa2372d70 in action_command (s=0x7f88d8854c40, m=0x7f88d88543d0) at manager.c:5241
> #13 0x0000561aa237903b in process_message (s=0x7f88d8854c40, m=0x7f88d88543d0) at manager.c:6612
> #14 0x0000561aa2379a5d in do_message (s=0x7f88d8854c40) at manager.c:6825
> #15 0x0000561aa2379f0f in session_do (data=0x7f89700094d0) at manager.c:6930
> #16 0x0000561aa2301f6b in handle_tcptls_connection (data=0x7f89700094d0) at tcptls.c:274
> #17 0x0000561aa23145e2 in dummy_start (data=0x7f8970004d80) at utils.c:1249
> #18 0x00007f89f72fb6db in start_thread (arg=0x7f88d8855700) at pthread_create.c:463
> #19 0x00007f89f64ec88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
> {noformat}



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